I can scroll up (but not down) through threads with the scrollball on a Mac mouse, but the ball has no effect on the main forum page or any sub-forum pages. On those pages, I have to use the scroll bar.

Correction: I can scroll up but not down on any page on the forum. Forum and sub-forum main pages default to the top of the page, so that's why I didn't notice it before. In order to scroll up, I have to first scroll down using the scroll bar.

What happens when you try a different piece of hardware? or update the drivers on the current hardware? I've tested this on a Mac at home and site worked well except I think some links were outlined in blue/red.

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